(19)

(11)

EP 4 515 260 A1

(12)

(43) Date of publication: 05.03.2025 Bulletin 2025/10 (21) Application number: 23725795.1 (22) Date of filing: 27.04.2023

(51) International Patent Classification (IPC):  G01R 31/26(2020.01) G01R 31/52(2020.01) G01R 31/40(2020.01) G01R 31/28(2006.01) G01R 31/00(2006.01) (52) Cooperative Patent Classification (CPC): G01R 31/52; G01R 31/2632; G01R 31/2827; G01R 31/006; G01R 31/40 (86) International application number: PCT/IB2023/054343 (87) International publication number: WO 2023/209620 (02.11.2023 Gazette 2023/44)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 29.04.2022 IT 202200008609 (71) Applicant: Eldor Corporation S.p.A. 22030 Orsenigo (Como) (IT)	(72) Inventors: FORTE, Pasquale 22030 ORSENIGO (COMO) (IT) LISANTI, Paolo 22030 ORSENIGO (COMO) (IT) BERTINO, Francesco 22030 ORSENIGO (COMO) (IT) (74) Representative: Penza, Giancarlo  Bugnion S.p.A. Viale Lancetti, 17 20158 Milano 20158 Milano (IT)